APA
                    Christian Studer, . (2014). Numerics of Unilateral Contacts and Friction. Germany: Springer.
                
                    Chicago
                    Christian Studer, . 2014. Numerics of Unilateral Contacts and Friction. Germany: Springer.
                
                    Harvard
                    Christian Studer, . (2014). Numerics of Unilateral Contacts and Friction. Germany: Springer.
                
                    MLA
                    Christian Studer, . Numerics of Unilateral Contacts and Friction. Germany: Springer. 2014.